Find out that word, the spelling of which is wrong.

Rumour
Reindeer
Rufian
Rogue

The correct answer is C. Rufian. The correct spelling is ruffian.

A rumour is a piece of unverified information that is spread from person to person. A reindeer is a large deer with branched antlers that lives in the Arctic tundra. A rogue is a dishonest or unprincipled person. A ruffian is a violent or disorderly person.

The word “ruffian” is spelled incorrectly in the question. The correct spelling is “ruffian.”